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crwdns2944351:0crwdnd2944351:0Mercedes W123 Glow Plug, Pencil Style Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Nicolas Siemsencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Nicolas Siemsen

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Mercedes W123
Type
replacement
Thing
Glow Plug, Pencil Style
Title
Mercedes W123 Glow Plug, Pencil Style Replacement
Introduction
This guide focuses on the replacement of the later "pencil" style small glow plugs with the 12mm thread. These are installed in most W123's after 1980, which was a transition year.
Wired in parallel as they are, they can keep functioning well enough to start your car even with one bad plug. However, the startup may come with some rough running until that cylinder starts to wake up.
After you lose a second, you'll have a rough time getting the car running on a cold day.
So get your new glow plugs installed now! Don't wait to get stuck somewhere.
Time Required Min
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Time Required Max
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Difficulty
Moderate
Conclusion
To reassemble your device, follow these instructions in reverse order.
Author
Nicolas Siemsen
Public
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